ARGF#closed?

ARGF.closed? → true or false

static VALUE
argf_closed(VALUE argf)
{
    next_argv();
    ARGF_FORWARD(0, 0);
    return rb_io_closed_p(ARGF.current_file);
}

Returns true if the current file has been closed; false otherwise. Use ARGF.close to actually close the current file.

See also #close #each #binmode? #each_byte also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0